[ 2907.221826][T22109] gre: GRE over IPv4 demultiplexer driver
[ 2908.823257][T22132] ip_gre: GRE over IPv4 tunneling driver
[ 2955.272106][T22705] ip6_gre: GRE over IPv6 tunneling driver
[ 2982.294661][T23049] ping (23049) used greatest stack depth: 23464 bytes left
[ 2987.380164][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2992.116040][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2996.149019][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3000.949058][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!